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Analog Devices Inc./Maxim Integrated MAX4527CUA+T
- Part No.:
- MAX4527CUA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4527CUA+T.pdf
- Description:
- IC SWITCH DUAL SPDT 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:1,457
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Product details
Overview
MAX4527CUA+T from Maxim Integrated is a low-power phase-reversal analog switch IC configured as a bridge of two normally open and two normally closed CMOS switches. It operates from +4.5V to +36V single supply or ±4.5V to ±18V dual supplies, delivers 175Ω max on-resistance with 8Ω matching, handles rail-to-rail analog signals (V− to V+), and consumes only 1µA at +25°C - ideal for chopper-stabilized amplifiers requiring precision DC reversal.
For engineers reviewing the MAX4527CUA+T datasheet, MAX4527CUA+T pinout, MAX4527CUA+T application, or MAX4527CUA+T equivalent, key selection criteria include guaranteed break-before-make timing (1–5ns), 10pC max charge injection, rail-to-rail signal handling, TTL/CMOS-compatible logic thresholds (0.8V–2.4V), and µMAX-8 package compatibility for space-constrained instrumentation designs.
Technical Context
The MAX4527CUA+T implements a fully differential bridge topology where IN controls signal polarity reversal between A/B inputs and X/Y outputs. Its internal logic-level translator drives N- and P-channel MOSFETs out-of-phase using V+ and V−, enabling true bidirectional analog conduction without ground reference.
Unlike standard analog switches, it guarantees break-before-make switching (1–5ns) and achieves <100ns transition time with ±15V supplies while maintaining 2pC max charge-injection matching - critical for zero-error chopper circuits and balanced modulators operating up to 100kHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +4.5V to +36V single or ±4.5V to ±18V dual - supports industrial bipolar and battery-powered single-supply systems |
| On-Resistance (RON) | 175Ω max at ±15V - ensures minimal gain error and thermal drift in precision signal paths |
| RON Matching (∆RON) | 8Ω max - enables high common-mode rejection in differential phase-reversal applications |
| Charge Injection | 10pC max - limits voltage glitch and settling error in self-zeroing amplifier feedback loops |
| Leakage Current | 0.5nA at +25°C, 10nA at +85°C - preserves accuracy in high-impedance sensor interfaces |
| Transition Time | <100ns with ±15V supplies - meets timing requirements for 100kHz carrier modulation/demodulation |
| Logic Thresholds | 0.8V low / 2.4V high - ensures robust TTL/CMOS interfacing across full supply range |
Pinout & Package
MAX4527CUA+T is housed in an 8-pin µMAX package (2.1mm × 2.1mm, 0.5mm pitch), optimized for compact PCB layouts and analog-digital isolation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 A | Analog input terminal A | Connected to Y when IN = LOW; to X when IN = HIGH - forms one half of differential input pair |
| 2 B | Analog input terminal B | Connected to X when IN = LOW; to Y when IN = HIGH - complementary input for phase reversal |
| 3 GND | Digital ground reference | Reference for logic circuitry only; analog path is floating between V+ and V− |
| 4 IN | Logic control input | TTL/CMOS-compatible digital signal selecting phase state (0 = normal, 1 = inverted) |
| 5 V− | Negative analog supply | Set to GND for single-supply operation; defines lower rail for rail-to-rail analog swing |
| 6 Y | Analog output terminal Y | Output node carrying phase-reversed signal relative to X - used with X for balanced output |
| 7 X | Analog output terminal X | Output node carrying non-inverted signal relative to Y - forms differential output pair with Y |
| 8 V+ | Positive analog/digital supply | Internally connected to substrate; powers analog switches and logic translator |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Analog signals swing fully from V− to V+, eliminating level-shifting in ±15V or +5V–+36V systems |
| Guaranteed break-before-make | 1–5ns delay prevents momentary short-circuit during polarity transition - essential for stable chopper feedback |
| 1µA supply current | Enables ultra-low-power operation in battery-backed data acquisition and portable instrumentation |
| 2kV ESD protection | Per Method 3015.7 - improves robustness in test equipment and field-deployable sensor nodes |
| 10pC max charge injection | Minimizes offset voltage step during switching - critical for sub-µV offset chopper amplifier designs |
Applications
| Chopper-Stabilized Amplifiers | Balanced Modulators/Demodulators |
|---|---|
|
Use Scenario: Precision op-amp circuits that periodically reverse input polarity to cancel DC offset and 1/f noise. IC Role / Device Role / Timing Role: Phase-reversal switch implementing synchronous demodulation in the feedback path of auto-zero amplifiers. Use Value: 10pC charge injection and 8Ω RON matching ensure <100nV residual offset after chopper cycle - enabling 16-bit+ resolution. |
Use Scenario: Carrier-frequency modulation of sensor signals in industrial transmitters and RF front-ends. IC Role / Device Role / Timing Role: Balanced analog switch acting as a synchronous mixer, driven by square-wave carrier applied to IN pin. Use Value: >65dB off-isolation and matched RON support >40dB carrier suppression at 100kHz - meeting MIL-STD-461 CS requirements. |
| Data Acquisition Systems | Audio-Signal Routing |
|
Use Scenario: Multiplexed high-impedance sensor inputs (e.g., thermocouples, pH electrodes) requiring zero-drift conditioning. IC Role / Device Role / Timing Role: Low-leakage (0.5nA), rail-to-rail analog switch routing signals into precision ADC drivers. Use Value: 10nA leakage at +85°C prevents >1LSB error in 24-bit SAR ADCs with 10MΩ source impedance. |
Use Scenario: Polarity-selectable audio line drivers in professional mixing consoles and studio interfaces. IC Role / Device Role / Timing Role: Bidirectional phase-reversal switch enabling invert/non-invert signal routing without external op-amps. Use Value: 175Ω RON and 13pF COFF maintain flat frequency response to 20kHz with <0.001% THD - preserving audio fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar phase-reversal analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4526CUA+T | Higher-speed variant: 250ns transition time vs. 100ns; 1.5mA supply current vs. 1µA | Preferred for >100kHz carrier frequencies; unsuitable for battery-powered low-power systems | Select MAX4526CUA+T only when speed outweighs power budget - not drop-in compatible due to higher Icc |
| ADG1419BRMZ | Single SPDT switch (not bridge); 1.5Ω RON; requires external logic for phase reversal | Needs discrete logic + two switches to replicate bridge function; adds board area and skew risk | Choose ADG1419BRMZ only if ultra-low RON dominates design - adds complexity versus integrated solution |
Compared with MAX4527CUA+T, MAX4526CUA+T trades 15× higher supply current for faster switching, while ADG1419BRMZ offers lower on-resistance but requires external circuitry to achieve phase reversal - making MAX4527CUA+T the optimal balance of integration, power, and precision for chopper and modulator designs.
Availability
MAX4527CUA+T is available at Aetrix Electronics and suitable for chopper-stabilized amplifiers, balanced modulators/demodulators, and data acquisition systems requiring stable component supply, long-term manufacturability, and consistent parametric performance across temperature.
Supply support for MAX4527CUA+T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, medical, and communications applications.
The MAX4526/MAX4527 product line was designed specifically for precision DC and low-frequency phase-reversal tasks - including chopper amplifiers, self-calibrating sensors, and carrier-based modulation - where charge injection, RON matching, and break-before-make timing are critical.
FAQ
What is the operating temperature range for MAX4527CUA+T?
The MAX4527CUA+T is specified for commercial temperature operation from 0°C to +70°C. This range is confirmed in the Ordering Information table, where MAX4527CUA denotes the 'C' grade. The device is not rated for extended industrial temperatures (−40°C to +85°C), which apply only to the 'E' grade variants like MAX4527EUA.
Can MAX4527CUA+T operate from a single +5V supply?
Yes, MAX4527CUA+T supports single-supply operation from +4.5V to +36V. When using +5V, connect V− to GND. Note that on-resistance increases (≈300Ω typical per datasheet Figure TOC-02), and leakage remains within spec (≤0.5nA at +25°C). Logic thresholds remain valid since VINH/VINL scale with V+.
Is MAX4527CUA+T pin-compatible with MAX4526CUA+T?
Yes, MAX4527CUA+T and MAX4526CUA+T share identical 8-pin µMAX packaging and pinout - both have A, B, IN, GND, V−, Y, X, V+ in the same physical arrangement. However, they differ electrically: MAX4526CUA+T draws 1.5mA vs. 1µA and has faster transition time, so direct substitution may impact power and timing margins.
What does "guaranteed break-before-make" mean for MAX4527CUA+T?
Guaranteed break-before-make means MAX4527CUA+T ensures no overlap between conduction paths during polarity switching: the old connection opens before the new one closes. With 1–5ns minimum delay (tBBM), it prevents momentary shorts in chopper amplifier feedback loops - a key reliability feature absent in generic analog switches.
How is charge injection specified for MAX4527CUA+T, and why does it matter?
MAX4527CUA+T specifies 10pC maximum charge injection (Q) and 2pC maximum matching (∆Q) between channels. This matters because injected charge creates voltage glitches on high-impedance nodes - in chopper amplifiers, it directly contributes to residual offset. At 10pC into 1nF, the glitch is 10mV; precise matching minimizes differential error.
MAX4527CUA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- -
- Number of Circuits:
- -
- On-State Resistance (Max):
- -
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- -
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
MAX4527CUA+T FAQ
1.How can I place an order for MAX4527CUA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4527CUA+T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX4527CUA+T reliable?
The price and inventory of MAX4527CUA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4527CUA+T is usually 5 days.
3.What payment methods are accepted for MAX4527CUA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4527CUA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4527CUA+T?
MAX4527CUA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4527CUA+T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX4527CUA+T?
For technical support, including MAX4527CUA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4527CUA+T requirements.
6.How does Aetrix verify that MAX4527CUA+T is sourced from the original manufacturer or authorized distributors?
All MAX4527CUA+T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX4527CUA+T meets industry standards.
7.What is the process for return or replacement of MAX4527CUA+T?
All MAX4527CUA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4527CUA+T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX4527CUA+T part is unused and in its original packaging.
Return procedure for MAX4527CUA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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